View 2 Photos View 0 Videos Mack MP7 Engine Control Module (ECM) $250 USD Good used, cleaned and inspected Mack MP7 ECM. Part Number: 21092268, 204MS48M. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your application. Quantity3ConditionUsedFits To Make(s)MACKFits To Model(s)MP7Part Number21092268Stock NumberRyd 21092268 MLS Number10205106CategoryEngine Control Modules (ECM) Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Mack MP7 Engine Control Module (ECM) $250 USD Good used, cleaned and inspected Mack MP7 ECM. Part Number: 21083383-P06, 21720495. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your application. Quantity5ConditionUsedFits To Make(s)MACKFits To Model(s)MP7Part Number21083383-P06Stock NumberRyd 21083383-P06 MLS Number10205105CategoryEngine Control Modules (ECM) Last Updated1/6/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Mack MP7 Engine Control Module (ECM) $250 USD Good used, cleaned and inspected Mack MP7 ECM. Part Number: 21025838. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your application. Quantity2ConditionUsedFits To Make(s)MACKFits To Model(s)MP7Part Number21025838Stock NumberRyd 21025838 MLS Number10205102CategoryEngine Control Modules (ECM) Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Alliance RT40-4N Rear Differential $750 USD Good used Alliance RT40-4N Rear, rear Differential Assembly. 3.42 Ratio. 90 day guarantee for swap or refund, Quantity3ConditionUsedRear End3.42 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NStock NumberRyd RT40-4N/3.42/41 MLS Number10204583CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Spicer S130-R Rear Differential $850 USD Good used Spicer S130-R rear, rear differential assembly with emergency brake. 6.14 ratio. 90 day guarantee for swap or refund ConditionUsedRear End6.14 ratioFits To Make(s)SPICERFits To Model(s)S130-RStock NumberRyd S130-R/6.14/36/ MLS Number10204578CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Alliance R23-4N Rear Differential $850 USD Good used Alliance R23-4N Rear, rear Differential Assembly. 6.14 Ratio. 90 day guarantee for swap or refund, ConditionUsedRear End6.14 ratioFits To Make(s)ALLIANCEFits To Model(s)R23-4NStock NumberRyd R23-4N/6.14/41 MLS Number12032982CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Rockwell RS20145 Rear Differential for a Rockwell RS-20-145 $500 USD Good used Rockwell RS-20-145 rear, rear differential assembly. 4.11 Ratio. 90 day guarantee for swap or refund, ConditionUsedRear End4.11 ratioFits To Make(s)ROCKWELLFits To Model(s)RS-20-145Stock NumberRyd RS-20-145/4.11/ MLS Number10225695CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Mack MP7 Flywheel $120 USD Good used, cleaned and inspected Mack MP7 Flywheel. Part Number: 20720212, 21514063 Quantity2ConditionUsedFits To Make(s)MACKFits To Model(s)MP7Part Number20720212Stock NumberRyd 20720212 MLS Number10204465CategoryFlywheels Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 23105S Rear Differential for a Eaton 23105-S $750 USD Good used Eaton 23105-S Rear, Rear Differential Assembly. 4.11 Ratio. 90 day guarantee for swap or refund ConditionUsedRear End4.11 ratioFits To Make(s)EATONFits To Model(s)23105-SStock NumberRyd 23105-S/4.11/36 MLS Number10204624CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 23090-S Rear Differential $850 USD Good used Eaton 23090-S Rear, Rear Differential Assembly. 3.70 Ratio. 90 day guarantee for swap or refund ConditionUsedRear End3.70 ratioFits To Make(s)EATONFits To Model(s)23090-SStock NumberRyd 23090S/3.70/36 MLS Number10714398CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins M11 CELECT PLUS Rocker Arm for a Cummins M11 CELECT+ $250 USD Used take off Cummins M11 Celect+ Rocker Assembly Quantity2ConditionUsedFits To Make(s)CUMMINSFits To Model(s)M11 CELECT+Part NumberM11 CELECT+ ROCKER ASSEMBLYStock NumberRyd M11 CELECT+ ROC MLS Number10203930CategoryRocker Arms Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins ISM Engine Harmonic Balancer $75 USD Good used, cleaned and inspected Cummins ISM Harmonic Balancer. Part Number: 3161942, 3073587 Quantity8ConditionUsedFits To Make(s)CUMMINSFits To Model(s)ISMPart Number3161942Stock NumberRyd 3161942 MLS Number10204018CategoryEngine Harmonic Balancers Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Rockwell RS23160 Rear Differential for a Rockwell RS-23-160 $1,000 USD Good used Rockwell RS-23-160 rear, rear differential assembly. 3.91 ratio. 90 day guarantee for swap or refund Quantity2ConditionUsedRear End3.91 ratioFits To Make(s)ROCKWELLFits To Model(s)RS-23-160Stock NumberRyd RS-23-160/3.91/ MLS Number10204586CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Alliance VARIOUS ALLIANCE MODELS Axle Shaft for a Alliance VARIOUS MODELS $150 USD Good used inspected Alliance axle shaft. Part Number: 6813572001, 6813570601 Quantity4ConditionUsedFits To Make(s)ALLIANCEFits To Model(s)VARIOUS ALLIANCE MODELSPart Number6813572001Stock NumberRyd 6813572001 MLS Number10204793CategoryAxle Shafts Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Detroit DD13 Flywheel $150 USD Good used, cleaned and inspected Detroit DD15 Flywheel. Part Number: R4720320001, A4720300305, A4720301105 Quantity7ConditionUsedFits To Make(s)DETROITFits To Model(s)DD13Part NumberR4720320001Stock NumberRyd R4720320001 MLS Number10204460CategoryFlywheels Last Updated1/8/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Detroit DD15 Flywheel Housing $350 USD Good used, cleaned and inspected Detroit DD15 Flywheel Housing. Part Number: A4720151002, A4720152702, A4720151302, A4720151802 Quantity2ConditionUsedFits To Make(s)DETROITFits To Model(s)DD15Stock NumberRyd A4720151002 MLS Number10204283CategoryFlywheel Housings Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Detroit DD15 Flywheel Housing $350 USD Good used, cleaned and inspected Detroit DD15 Flywheel Housing. Part Number: A4720151802, A4720152702, A4720151302 Quantity4ConditionUsedFits To Make(s)DETROITFits To Model(s)DD15Stock NumberRyd A4720151802 MLS Number10204282CategoryFlywheel Housings Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Detroit DD15 Engine Harmonic Balancer $100 USD Good used, cleaned and inspected Detroit DD15 Harmonic Balancer. Part Number: A4720350300, A4720351900 Quantity3ConditionUsedFits To Make(s)DETROITFits To Model(s)DD15Part NumberA4720350300Stock NumberRyd A4720350300 MLS Number10203984CategoryEngine Harmonic Balancers Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Ford 7.8L Flywheel Housing $250 USD Good used, cleaned and inspected Ford 7.8L Flywheel Housing. Part Number: E5HN-8394-AA ConditionUsedFits To Make(s)FORDFits To Model(s)7.8LStock NumberRyd E5HN-8394-AA MLS Number10204298CategoryFlywheel Housings Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 3176 Engine Harmonic Balancer $100 USD Good used, cleaned and inspected Caterpillar 3176 Harmonic Balancer. Part Number: 7E4855, 167-8128, 10R-0693 ConditionUsedFits To Make(s)CATERPILLARFits To Model(s)3176Part Number7E4855Stock NumberRyd 7E4855 MLS Number10204003CategoryEngine Harmonic Balancers Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos International DT466 EGR Rocker Arm for a International DT 466EGR $150 USD Used takeoff DT466EGR (I313) Rocker Assembly. Sold as is. No warranty Quantity5ConditionUsedFits To Make(s)INTERNATIONALFits To Model(s)DT 466EGRStock NumberRyd DT 466EGR ROCKE MLS Number10203918CategoryRocker Arms Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos ZF Automatic Shift Control, Part # 0501214599 $175 USD Good used, cleaned and inspected ZF Automatic Shift Control. Part Number: 0501214599.. 30 day guarantee for swap or refund. Quantity2ConditionUsedFits To Make(s)ZFFits To Model(s)VARIOUS ZF TRANSMISION MODELSPart Number0501214599Stock NumberRyd 0501214599 MLS Number10204413CategoryTransmission Parts Last Updated3/20/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton Automatic Shift Control, Part # 4308831 $175 USD Good used, cleaned and inspected Eaton Automatic Shift Control. Part Number: 4308831. 30 day guarantee for swap or refund. ConditionUsedFits To Make(s)EATONFits To Model(s)VARIOUS EATON TRANSMISION MODELSPart Number4308831Stock NumberRyd 4308831 MLS Number10204412CategoryTransmission Parts Last Updated3/20/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Rockwell RS20145 Rear Differential for a Rockwell RS-20-145 $500 USD Good used Rockwell RS-20-145 rear, rear differential assembly. 3.91 Ratio. 90 day guarantee for swap or refund, ConditionUsedRear End3.91 ratioFits To Make(s)ROCKWELLFits To Model(s)RS-20-145Stock NumberRyd RS-20-145/3.91/ MLS Number12159612CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos International MaxxForce 7 Rocker Arm $50 USD Used take off Maxxforce Rocker Assembly, 2 ARMS PER ASSEMBLY, Quantity7ConditionUsedFits To Make(s)INTERNATIONALFits To Model(s)MAXXFORCE 7Part Number1854687C2 / 1854688C2Stock NumberRyd 1854687C2 / 185 MLS Number10203909CategoryRocker Arms Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info